t0.c

口若悬河口若悬河口若悬河口若悬河口若悬河口若悬河口若悬河口若悬河口若悬河

#include"reg51.h"
sbit P11=P1^1;
sbit P10=P1^0;
sbit P01=P0^1;
bit de1s=0;
void main()
{
//int i;
unsigned char a;
TMOD=0xf1;
TL0=0xd0;TH0=0x8a;
ET0=1;
TR0=1;
EA=1;
P2=0xff;
a=P2;
while(1)
{
//for(i=0;i<8;i++)
{
if(de1s)
{
P2<<=a;
P11=~P11;
de1s=0;
P10=~P10;
P01=~P01;
}
}
}
}
void timer0() interrupt 1
{
int t;
TL0=0xd0;
TH0=0x8a;
t++;
if(t==50)
{
t=0;
de1s=1;
}
}